what these three bytes represent in DLMS request and response command

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By erdeepakcs , 3 July, 2017
Forums
Gurux.DLMS

7E A0 2A 03 61 54 06 F1 E6 E6 00 C1 01 C1 00 16 00 00 0F 00 00 FF 04 00 01 01 02 02 09 04 10 0A
27 FF 09 05 07 E1 04 06 FF 56 D9 7E

These three bytes :- "C1 01 C1"
some times it's "C4 02 C1" or "C4 01 C1"

thanks
deepak

erdeepakcs

9 years ago

ok sir, but i want to know also how these command bytes are selected for particular command.

BR
deepak

Kurumi

9 years ago

Hi,

Those bytes are changin for every command. They are described on standard.
DLMS is very complicated protocol. There is no short answer.
You should check our Open Source stacks and I believe that it's best way to go.

BR,

Mikko